airproof


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airproof

(ˈɛəpruːf)
adj
impervious to air
vb (tr)
to make (something) impervious to air
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Translations

airproof

[ˈɛəpruːf] ADJhermético
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
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References in periodicals archive ?
Unsaturated soil test features time consuming and expensive in general, mainly due to the low permeability of the unsaturated soil and high air-entry ceramic disc (even though it is permeable but airproof).
During gas sampling, the bottom of PVC columns was tightly closed with PVC caps to ensure an airproof condition.